[ARROW-11950] [C++][Compute] Add unary negative kernel

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 5.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/27785
• Assignee: Eduardo Ponce
• Reporter: Neal Richardson
• Created: 12/Mar/21 22:12
• Updated: 11/Jan/23 08:23
• Resolved: 27/Apr/21 21:05

Description

Related to ARROW-11945. So that you can have an expression like -col. You can approximate this with doing 0 - col, but I would guess it could be done more efficiently.

cc bkietz

Issue Links

• is a child of: ARROW-12748 [C++] Arithmetic kernels for numeric arrays
• links to: GitHub Pull Request #10016
• links to: GitHub Pull Request #10113